# FitCountLog vs ChronoFast AI

The clearest difference is in-app purchases: FitCountLog at none against ChronoFast AI's 2. FitCountLog also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). ChronoFast AI's advantage is update cadence (every 2 weeks vs monthly). On price and device support there is nothing between them.

Both are free to download. ChronoFast AI sells 2 in-app purchases, starting at $2.99 per month. FitCountLog asks for nothing beyond the download.

FitCountLog ships an update monthly, ChronoFast AI every 2 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | FitCountLog | ChronoFast AI |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chronofast-ai/id6759078045/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 4 MB | 118 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 17+ |
| Developer | [Wataru Mera](https://appshunter.io/developer/1512368763) | [Soundarya Srinivas](https://appshunter.io/developer/1896661055) |

## What reviewers say

### FitCountLog

[App page](https://appshunter.io/ios/app/fitcountlog/id1613737270)

**Features:** macOS Compatibility

**In-app purchases:** none


### ChronoFast AI

[App page](https://appshunter.io/ios/app/chronofast-ai/id6759078045)

This app acts as an AI coach for intermittent fasting, helping users understand if their food intake breaks their fast. It provides detailed metabolic stage information, tracks progress, and offers social features for fasting with friends.

**Highlights:** AI-powered 'Did I Break My Fast?' analysis, Live Activity and Dynamic Island integration, Detailed metabolic stage tracking with scientific sources, Apple Health integration for activity and sleep data, AI meal scanning and barcode scanning, Social fasting features with friends and leaderboards

**Features:** Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ChronoFast-AI-Monthly-Yearly | $2.99 | per month |
| ChronoFast-AI-Monthly-Yearly | $34.99 | per year |


## Frequently asked questions

### Is FitCountLog free?

FitCountLog is free to download, with no in-app purchases.

### Is ChronoFast AI free?

ChronoFast AI is free to download, with in-app purchases available.

### Do FitCountLog or ChronoFast AI have ads?

ChronoFast AI shows ads; FitCountLog does not.

### Which is updated more often, FitCountLog or ChronoFast AI?

FitCountLog ships an update monthly, and ChronoFast AI every 2 weeks. Most recently, FitCountLog was updated on October 25, 2026 and ChronoFast AI on October 24, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*